Optical illusions are a tricky yet fun way to exercise the brain. The puzzles are often designed in a way that the person solving them is required to use logic and think outside the box. Amid the buzz ...

The term "illusion" is derived from the Latin word "illudere," which means to mock or deceive. Therefore, the basic premise of an optical illusion is to fool the human brain by tricking it. Optical ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

In the past few years, the internet has given us The Dress, a photo of a mysterious missing leg, and this disorienting floor design. If you're still hungry for more, INSIDER rounded up a mix of ...

To check your cognitive skill and IQ level, there are many ways, but among these, brain teasers are the best and fun game to test your logical and thinking skills with your observation level. These ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...